func TestDeleteMessage(t *testing.T) {
ctx := scope.New()
kms := security.LocalKMS()
kms.SetMasterKey(make([]byte, security.AES256.KeySize()))
session := mock.TestSession("test", "T1", "ip1")
sendMessage := func(room proto.Room) (proto.Message, error) {
msg := proto.Message{
Sender: proto.SessionView{
SessionID: "test",
IdentityView: proto.IdentityView{ID: "test"},
},
Content: "test",
}
if managedRoom, ok := room.(proto.ManagedRoom); ok {
key, err := managedRoom.MessageKey(ctx)
if err != nil {
return proto.Message{}, err
}
if key != nil {
mkey := key.ManagedKey()
if err := kms.DecryptKey(&mkey); err != nil {
return proto.Message{}, err
}
if err := proto.EncryptMessage(&msg, key.KeyID(), &mkey); err != nil {
return proto.Message{}, err
}
}
}
return room.Send(ctx, session, msg)
}
Convey("Delete message in public room", t, func() {
ctrl := &Controller{
backend: &mock.TestBackend{},
kms: kms,
}
term := &testTerm{}
public, err := ctrl.backend.CreateRoom(ctx, kms, false, "public")
So(err, ShouldBeNil)
sent, err := sendMessage(public)
So(err, ShouldBeNil)
runCommand(ctx, ctrl, "delete-message", term, []string{"public:" + sent.ID.String()})
deleted, err := public.GetMessage(ctx, sent.ID)
So(err, ShouldBeNil)
So(time.Time(deleted.Deleted).IsZero(), ShouldBeFalse)
})
Convey("Delete message in private room", t, func() {
ctrl := &Controller{
backend: &mock.TestBackend{},
kms: kms,
}
term := &testTerm{}
private, err := ctrl.backend.CreateRoom(ctx, kms, true, "private")
So(err, ShouldBeNil)
runCommand(ctx, ctrl, "lock-room", term, []string{"private"})
sent, err := sendMessage(private)
So(err, ShouldBeNil)
runCommand(ctx, ctrl, "delete-message", term, []string{"private:" + sent.ID.String()})
deleted, err := private.GetMessage(ctx, sent.ID)
So(err, ShouldBeNil)
So(time.Time(deleted.Deleted).IsZero(), ShouldBeFalse)
})
}
func TestGrants(t *testing.T) {
Convey("Grant a capability on a room", t, func() {
kms := security.LocalKMS()
kms.SetMasterKey(make([]byte, security.AES256.KeySize()))
ctx := scope.New()
client := &proto.Client{Agent: &proto.Agent{}}
client.FromRequest(ctx, &http.Request{})
backend := &mock.TestBackend{}
room, err := backend.CreateRoom(ctx, kms, true, "test")
So(err, ShouldBeNil)
rkey, err := room.MessageKey(ctx)
So(err, ShouldBeNil)
mkey := rkey.ManagedKey()
So(kms.DecryptKey(&mkey), ShouldBeNil)
// Sign in as alice and send an encrypted message with aliceSendTime
// as the nonce.
aliceSendTime := time.Now()
msgNonce := []byte(snowflake.NewFromTime(aliceSendTime).String())
aliceKey := &security.ManagedKey{
KeyType: security.AES256,
Plaintext: make([]byte, security.AES256.KeySize()),
}
grant, err := security.GrantSharedSecretCapability(aliceKey, rkey.Nonce(), nil, mkey.Plaintext)
So(err, ShouldBeNil)
alice := mock.TestSession("Alice", "A1", "ip1")
_, err = room.Join(ctx, alice)
So(err, ShouldBeNil)
msg := proto.Message{
ID: snowflake.NewFromTime(aliceSendTime),
UnixTime: proto.Time(aliceSendTime),
Content: "hello",
}
iv, err := base64.URLEncoding.DecodeString(grant.CapabilityID())
So(err, ShouldBeNil)
payload := grant.EncryptedPayload()
So(aliceKey.BlockCrypt(iv, aliceKey.Plaintext, payload, false), ShouldBeNil)
key := &security.ManagedKey{
KeyType: security.AES128,
}
So(json.Unmarshal(aliceKey.Unpad(payload), &key.Plaintext), ShouldBeNil)
digest, ciphertext, err := security.EncryptGCM(
key, msgNonce, []byte(msg.Content), []byte("Alice"))
So(err, ShouldBeNil)
digestStr := base64.URLEncoding.EncodeToString(digest)
cipherStr := base64.URLEncoding.EncodeToString(ciphertext)
msg.Content = digestStr + "/" + cipherStr
_, err = room.Send(ctx, alice, msg)
So(err, ShouldBeNil)
// Now sign in as bob and decrypt the message.
bobKey := &security.ManagedKey{
KeyType: security.AES256,
Plaintext: make([]byte, security.AES256.KeySize()),
}
//bobKey.Plaintext[0] = 1
grant, err = security.GrantSharedSecretCapability(bobKey, rkey.Nonce(), nil, mkey.Plaintext)
So(err, ShouldBeNil)
iv, err = base64.URLEncoding.DecodeString(grant.CapabilityID())
So(err, ShouldBeNil)
payload = grant.EncryptedPayload()
So(bobKey.BlockCrypt(iv, bobKey.Plaintext, payload, false), ShouldBeNil)
key = &security.ManagedKey{
KeyType: security.AES128,
}
So(json.Unmarshal(bobKey.Unpad(payload), &key.Plaintext), ShouldBeNil)
bob := mock.TestSession("Bob", "B1", "ip2")
_, err = room.Join(ctx, bob)
So(err, ShouldBeNil)
log, err := room.Latest(ctx, 1, 0)
So(err, ShouldBeNil)
So(len(log), ShouldEqual, 1)
msg = log[0]
parts := strings.Split(msg.Content, "/")
So(len(parts), ShouldEqual, 2)
digest, err = base64.URLEncoding.DecodeString(parts[0])
So(err, ShouldBeNil)
ciphertext, err = base64.URLEncoding.DecodeString(parts[1])
So(err, ShouldBeNil)
plaintext, err := security.DecryptGCM(key, msgNonce, digest, ciphertext, []byte("Alice"))
So(err, ShouldBeNil)
So(string(plaintext), ShouldEqual, "hello")
})
}